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Instruction Manual
IM-106-340AC-1, Rev. 1.0
April 2005
SPS 4001B
http://www.raihome.com
Section 4 Maintenance and Service
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1
Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1
Remove/Install Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-3
Circuit Board Replacement . . . . . . . . . . . . . . . . . . . . . . . . page 4-5
Solenoid Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-5
Pressure Switch Replacement . . . . . . . . . . . . . . . . . . . . . page 4-6
Check Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . page 4-6
Pressure Regulator Maintenance . . . . . . . . . . . . . . . . . . . page 4-6
Flow Meter Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-6
OVERVIEW
This section describes service and routine maintenance of the SPS 4001B.
Replacement parts are available from Rosemount Analytical. Refer to
Section 6, Replacement Parts for part numbers and ordering information.
FUSE REPLACEMENT
The SPS 4001B has a fuse on the circuit board. Refer to Section 6,
Replacement Parts for replacement fuse specifications. Perform the following
procedure to check or replace the fuse.
1. Turn off power to the system and open the enclosure cover.
2. Push in and turn the fuseholder cap 1/4 turn counterclockwise. Remove
the fuse.
3. After checking or replacing the fuse, install fuseholder cap. Push in and
turn the cap 1/4 turn clockwise.
4. Install the enclosure cover and secure the cover screws.
Secure equipment cover and ground leads after equipment service. Failure to secure
covers and ground leads could result in serious injury or death.
Disconnect and lock out power before working on any electrical components.